TargetGenerator.cs

using System.Linq;
using System;
using System.IO;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using Nuke.Common.IO;
using Nuke.Common;
using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.CSharp;
using Microsoft.CodeAnalysis.CSharp.Syntax;
 
namespace Nuke.Unreal.BoilerplateGenerators
{
    public record TargetModel(
        string Name, string? Copyright,
        UnrealProject Project
    ) : CommonModelBase(Name, Copyright);
 
    public class TargetGenerator : BoilerplateGenerator
    {
        protected TargetModel? Model;
        public string TemplateSubfolder => "Target";
 
        public void Generate(AbsolutePath templatesPath, AbsolutePath currentFolder, string name)
        {
            var project = new UnrealProject(currentFolder);
            Model = new(
                Name: name,
                Copyright: Unreal.ReadCopyrightFromProject(project.Folder!),
                Project: project
            );
 
            if(!Directory.Exists(templatesPath / TemplateSubfolder))
                templatesPath = DefaultTemplateFolder;
 
            var templateDir = templatesPath / TemplateSubfolder;
 
            RenderFolder(templateDir, currentFolder, Model);
 
            var srcFolder = currentFolder / "Source";
            Directory.CreateDirectory(srcFolder);
 
            new ModuleGenerator()
                .SetAddToTarget(true)
                .Generate(templatesPath, srcFolder, name);
        }
 
        protected void CheckInsideSourceFolder(AbsolutePath currentFolder)
        {
            if(!currentFolder.ToString().Contains("Source", StringComparison.InvariantCultureIgnoreCase))
            {
                throw new InvalidOperationException(
                    $"{currentFolder} doesn't contain a Source folder. Unreal Engine requires Module to be inside the project or plugin Source folder."
                );
            }
        }
    }
}